Originally part of the Free Syrian Army, the brigade later became a subordinate of the Islamic State of Iraq and the Levant, only to be destroyed by ISIL in 2014 over disagreements.

[1] Katibat Owais al-Qorani was one of the earliest rebel groups to become active in the area around al-Thawrah and among the first to carry out urban insurgency attacks against government forces inside the town.

[3][1] In February 2013, Katibat Owais al-Qorani was part of the rebel alliance that attacked and captured al-Thawrah from the government,[3] and thereafter helped laying siege to the nearby airport which was still held by the Syrian Army.

Though it did not swear loyalty to the Islamic State and continued to affirm its independence, this behavior resulted in Liwa Owais al-Qorani effectively becoming an ISIL subordinate.

In September 2017, the federal prosecutor of Germany accused them 25 of them of being members of a terrorist organization and committing war crimes after a mass grave of 36 policemen, administrative assistants, and government militia commanders who were massacred by Liwa Owais al-Qorani was uncovered in Tabqa.